班里三分之一是女生。
A third of the class are girls.
(possessive particle, literary equivalent of 的); him; her
Every character draws itself, stroke by stroke. Then grab the brush: trace it yourself and hear the word when you finish.
Nice writing!
Chinese words snap together like bricks. Every word below shares a character with this one, so you are already halfway to knowing it.
班里三分之一是女生。
A third of the class are girls.
这是原因之一。
This is one of the reasons.